Energy and greenhouse emissions

Almost half a kilogram of black coal is burned to supply 1 kWh of electricity - enough to run a single bar radiator for one hour, a 100 watt light globe for 10 hours, or an energy-efficient compact fluorescent light globe for 50 hours

Over its life, a typical compact fluorescent bulb saves around a third of a tonne of greenhouse gas and $45 in electricity costs

Every 15 litres of hot water used from an electric water heater generates about 1 kg of greenhouse gas

Water heating accounts for 23% of a households GHG emissions, while heating and cooling account for 20%

Over a year, some microwave ovens generate more greenhouse gas running the digital clock than cooking food